Tripartite - an alliance between Italy, Japan, and Germany that formalized them as the Axis powers
Lend Lease - an act that allowed the United States to supply military and other goods to Britain
Munich - an agreement that allowed Germany to take control of the German-speaking areas in Czechoslovakia
Pact of Steel - an agreement signed by Italy and Germany to strengthen their military and political relationship
A lot of them did return to their families, however the role of women in the factory was actually cemented in American and other cultures upon the war ending, so many women continued to work and even started careers. Cue second wave feminism.
National Grange of the Order of patrons of Husbandry